using System;

 using System.Collections.Generic;

 using System.Text;

 namespace Aga.Controls.Tree

 {

 	public class TreeModelEventArgs: TreePathEventArgs

 	{

 		private object[] _children;

 		public object[] Children

 		{

 			get { return _children; }

 		}

 		private int[] _indices;

 		public int[] Indices

 		{

 			get { return _indices; }

 		}

 		/// <summary>

 		/// 

 		/// </summary>

 		/// <param name="parent">Path to a parent node</param>

 		/// <param name="children">Child nodes</param>

 		public TreeModelEventArgs(TreePath parent, object[] children)

 			: this(parent, null, children)

 		{

 		}

 		/// <summary>

 		/// 

 		/// </summary>

 		/// <param name="parent">Path to a parent node</param>

 		/// <param name="indices">Indices of children in parent nodes collection</param>

 		/// <param name="children">Child nodes</param>

 		public TreeModelEventArgs(TreePath parent, int[] indices, object[] children)

 			: base(parent)

 		{

 			if (children == null)

 				throw new ArgumentNullException();

 			if (indices != null && indices.Length != children.Length)

 				throw new ArgumentException("indices and children arrays must have the same length");

 			_indices = indices;

 			_children = children;

 		}

 	}

 }